Part Details for BU4918F-TR by ROHM Semiconductor
Results Overview of BU4918F-TR by ROHM Semiconductor
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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BU4918F-TR Information
BU4918F-TR by ROHM Semiconductor is a Power Management Circuit.
Power Management Circuits are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for BU4918F-TR
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
846-BU4918F-CT-ND
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DigiKey | IC SUPERVISOR 1 CHANNEL 4SOP Min Qty: 1 Lead time: 7 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) | Limited Supply - Call |
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$0.2028 / $0.5000 | Buy Now |
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DISTI #
67003425
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Verical | Processor Supervisor 1.8V 1 Active Low/CMOS 4-Pin SOP T/R RoHS: Compliant Min Qty: 288 Package Multiple: 1 Date Code: 2301 | Americas - 3000 |
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$0.2468 / $0.2727 | Buy Now |
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Quest Components | 2400 |
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$0.3160 / $0.7900 | Buy Now | |
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DISTI #
BU4918F-TR
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Avnet Silica | (Alt: BU4918F-TR) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days | Silica - 0 |
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Buy Now |
US Tariff Estimator: BU4918F-TR by ROHM Semiconductor
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for BU4918F-TR
BU4918F-TR Part Data Attributes
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BU4918F-TR
ROHM Semiconductor
Buy Now
Datasheet
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Compare Parts:
BU4918F-TR
ROHM Semiconductor
Power Supply Support Circuit, Fixed, 1 Channel, +1.8VV, CMOS, PDSO4, SOP-4
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | End Of Life | |
| Part Package Code | SOIC | |
| Package Description | Tsop, Tsop4,.08,50 | |
| Pin Count | 4 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | Mnl Rst:N;Pw Fl Io:N;Prg Rst Dly:N;Wd:N;Wdo:N;Wwd:N | |
| Adjustable Threshold | No | |
| Analog IC - Other Type | Voltage Detector | |
| JESD-30 Code | R-PDSO-G4 | |
| Length | 2 Mm | |
| Number of Channels | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 4 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TSOP | |
| Package Equivalence Code | TSOP4,.08,50 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline, Thin Profile | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.05 Mm | |
| Supply Voltage-Min (Vsup) | 0.7 V | |
| Supply Voltage-Nom (Vsup) | 0.85 V | |
| Surface Mount | Yes | |
| Technology | Cmos | |
| Temperature Grade | Other | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.3 Mm | |
| Terminal Position | Dual | |
| Threshold Voltage-Nom | +1.8v | |
| Width | 1.25 Mm |
BU4918F-TR Frequently Asked Questions (FAQ)
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ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
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To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, including the maximum junction temperature (Tj) of 150°C. Additionally, consider using a heat sink or thermal management system to keep the device temperature within the recommended range.
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ROHM recommends using a ceramic capacitor with a value between 1uF to 10uF, depending on the specific application requirements. A low-ESR capacitor, such as an X5R or X7R type, is recommended to minimize voltage ripple and ensure stable operation.
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To troubleshoot issues with the BU4918F-TR, start by verifying the PCB layout and component placement. Check for proper decoupling, correct input capacitor values, and ensure that the device is operated within the recommended specifications. Use an oscilloscope to monitor the output voltage and current, and consult ROHM's application notes and technical support resources for further guidance.
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Yes, to minimize EMI/EMC issues, ROHM recommends following proper PCB layout and design guidelines, such as using a solid ground plane, minimizing loop areas, and using shielding or filtering components as necessary. Additionally, ensure that the device is operated within the recommended specifications and follow the guidelines outlined in ROHM's application notes and technical support resources.